TS 23.380 ★
IMS Restoration Procedures

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V16.2.0 (PDF) 2019/12 56 p.

V15.2.0 2019/09 56 p.

V14.1.0 2016/12 46 p.

V13.5.0 2016/12 46 p.

V12.4.0 2016/09 33 p.

V11.4.0 2016/09 20 p.

V10.3.0 2014/03 18 p.

V9.6.0 2014/03 18 p.

V8.5.0 2012/09 13 p.

Rapporteur:: Ms. Bartolome, Maria-Cruz Nanjing Ericsson Panda Com Ltd

essential Table of Contents for TS 23.380 Word version: 16.2.0

each title, in the ┃ or ┃ area, links to the equivalent title in the CONTENT

2 References Word‑p. 8

3 Definitions, symbols and abbreviations Word‑p. 9

4 Restoration of Data in the S-CSCF Word‑p. 10

4.1 General Word‑p. 10

4.2 Registration Procedure Word‑p. 10

4.3 UE Terminating Procedure Word‑p. 11

4.4 UE Originating Procedure Word‑p. 12

4.5 SIP-AS Originating Procedure Word‑p. 13

4.6 S-CSCF Data Restoration Information Backup and Update Procedures Word‑p. 14

5 Recovery after P-CSCF failure |R9| Word‑p. 15

5.0 General Word‑p. 15

5.1 Update PDP context/Bearer at P-CSCF failure Word‑p. 15

5.2 Inform UE about P-CSCF failure Word‑p. 18

5.3 Network recovery information flow - UE uses keep alive mechanism Word‑p. 21

5.4 HSS-based P-CSCF restoration for 3GPP access |R12| Word‑p. 22

5.5 PCRF-based P-CSCF restoration |R12| Word‑p. 29

5.6 P-CSCF restoration for WLAN |R13| Word‑p. 33

5.7 Interaction between P-CSCF restoration and NBIFOM |R13| Word‑p. 41

5.8 P-CSCF Restoration for 5GC |R15| Word‑p. 42

5.9 P-CSCF Restoration in EPC with 5GC interworking |R15| Word‑p. 51

5.10 P-CSCF Restoration in EPC for untrusted WLAN when N10 is used instead of S6b |R16| Word‑p. 51

6 Recovery after SCC AS failure |R13| Word‑p. 51

$ Change history Word‑p. 54

TS 23.380 ★ IMS Restoration Procedures

essential Table of Contents for TS 23.380 Word version: 16.2.0

TS 23.380 ★
IMS Restoration Procedures